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Finding the Fourth Proportional to 349,250.40, 523,875.60 and 311,925.60

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Solution

The fourth proportional to 349,250.40, 523,875.60 and 311,925.60 is: 467,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,250.40 : 523,875.60 = 311,925.60 : x
  2. Step 2: Convert to fraction form
    349,250.40/523,875.60 = 311,925.60/x
  3. Step 3: Cross multiply
    349,250.40x = 523,875.60 × 311,925.60
  4. Step 4: Simplify right side
    349,250.40x = 163,410,210,855.36
  5. Step 5: Solve for x
    x = 163,410,210,855.36/349,250.40
  6. Step 6: Final answer
    x = 467,888.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.